I haven't actually experienced that and even after blowing away all my crafting/gathering skills and retraining them I initially don't see the ones I previously bought but after a logout and relogin, they appear, even though the skill level is reset to 1 and I can't craft them yet. Even one that I found through gathering comes back. However, the one that I initially was able to keep through RE does not come back. I would also add that my previous success and method I used above is no longer yielding any results. I've tried the method of blowing away all crew skills and retraining three times and I haven't even been able to keep any learned schematics. Odd that it worked the first time for one learned schematic....

Class: Trooper Crew Skill: Armormech, Scavenging, Underworld Trading Schematics lost: Heavy Military Belt (redoubt, overkill, critical - from memory) BTW see the post I started here Will continue to monitor and try things...

After initially having success with an interim fix for this issue (not that I want to bail the devs out here..) It turns out it only worked for me for a day. I was able to keep one learned schematic from the method I used so whether or not that was a 24hr symptom or only being able to keep one learned schematic and all failing after that I'm not sure. Anyway here is what I did: